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481642121 = 2923969491
BaseRepresentation
bin11100101101010…
…100011010001001
31020120021221210002
4130231110122021
51441300021441
6115443132345
714635614302
oct3455243211
91216257702
10481642121
11227968944
121153740b5
1378a2824c
1447d777a9
152c43db9b
hex1cb54689

481642121 has 8 divisors (see below), whose sum is σ = 500342400. Its totient is φ = 463081360.

The previous prime is 481642093. The next prime is 481642171. The reversal of 481642121 is 121246184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481642121 - 226 = 414533257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481642171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27815 + ... + 41676.

It is an arithmetic number, because the mean of its divisors is an integer number (62542800).

Almost surely, 2481642121 is an apocalyptic number.

It is an amenable number.

481642121 is a deficient number, since it is larger than the sum of its proper divisors (18700279).

481642121 is a wasteful number, since it uses less digits than its factorization.

481642121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69759.

The product of its digits is 3072, while the sum is 29.

The square root of 481642121 is about 21946.3464157477. The cubic root of 481642121 is about 783.8653850725.

The spelling of 481642121 in words is "four hundred eighty-one million, six hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 29 239 6931 69491 2015239 16608349 481642121